diff --git a/htdocs/langs/en_US/ecm.lang b/htdocs/langs/en_US/ecm.lang
index fe09bda787b..bbbf2d3a046 100644
--- a/htdocs/langs/en_US/ecm.lang
+++ b/htdocs/langs/en_US/ecm.lang
@@ -43,6 +43,8 @@ ECMDocsByContracts=Documents linked to contracts
 ECMDocsByInvoices=Documents linked to customers invoices
 ECMDocsByProducts=Documents linked to products
 ECMDocsByProjects=Documents linked to projects
+ECMDocsByUsers=Documents linked to users
+ECMDocsByInterventions=Documents linked to interventions
 ECMNoDirectoryYet=No directory created
 ShowECMSection=Show directory
 DeleteSection=Remove directory